>From 7054a9dcd23a721e3c3dd2ceb8f1243187ea5cc4 Mon Sep 17 00:00:00 2001
From: majianpeng <majianpeng@xxxxxxxxx>
Date: Thu, 8 Mar 2012 17:31:32 +0800
Subject: [PATCH] md:Add judgement bb->unacked_exist in function
md_ack_all_badblocks().
Signed-off-by: majianpeng <majianpeng@xxxxxxxxx>
---
drivers/md/md.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index ce88755..7c57d0f 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -8040,7 +8040,7 @@ void md_ack_all_badblocks(struct badblocks *bb)
return;
write_seqlock_irq(&bb->lock);
- if (bb->changed == 0) {
+ if (bb->changed == 0 && bb->unacked_exist) {
u64 *p = bb->page;
int i;
for (i = 0; i < bb->count ; i++) {
--
1.7.5.4
--------------
kedacomkernel
2012-03-08
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